/Engine/Source/Runtime/Engine/Classes/Engine/Engine.h
Returns the firstULocalPlayerthat matches the given platform user id, or the first player if the id is invalid This will search across all world contexts.
[ULocalPlayer](API\Runtime\Engine\Engine\ULocalPlayer) * FindFirstLocalPlayerFromPlatformUserId ( [FPlatformUserId](API\Runtime\Core\Misc\FPlatformUserId) PlatformUserId ) const